Theorem ecovdi 6640

Description: Lemma used to transfer a distributive law via an equivalence relation. Most likely ecovidi 6641 will be more helpful. (Contributed by NM, 2-Sep-1995.) (Revised by David Abernethy, 4-Jun-2013.)

Hypotheses

Ref	Expression
ecovdi.1	|- D = ( ( S X. S ) /. .~ )
ecovdi.2	|- ( ( ( z e. S /\ w e. S ) /\ ( v e. S /\ u e. S ) ) -> ( [ <. z , w >. ] .~ .+ [ <. v , u >. ] .~ ) = [ <. M , N >. ] .~ )
ecovdi.3	|- ( ( ( x e. S /\ y e. S ) /\ ( M e. S /\ N e. S ) ) -> ( [ <. x , y >. ] .~ .x. [ <. M , N >. ] .~ ) = [ <. H , J >. ] .~ )
ecovdi.4	|- ( ( ( x e. S /\ y e. S ) /\ ( z e. S /\ w e. S ) ) -> ( [ <. x , y >. ] .~ .x. [ <. z , w >. ] .~ ) = [ <. W , X >. ] .~ )
ecovdi.5	|- ( ( ( x e. S /\ y e. S ) /\ ( v e. S /\ u e. S ) ) -> ( [ <. x , y >. ] .~ .x. [ <. v , u >. ] .~ ) = [ <. Y , Z >. ] .~ )
ecovdi.6	|- ( ( ( W e. S /\ X e. S ) /\ ( Y e. S /\ Z e. S ) ) -> ( [ <. W , X >. ] .~ .+ [ <. Y , Z >. ] .~ ) = [ <. K , L >. ] .~ )
ecovdi.7	|- ( ( ( z e. S /\ w e. S ) /\ ( v e. S /\ u e. S ) ) -> ( M e. S /\ N e. S ) )
ecovdi.8	|- ( ( ( x e. S /\ y e. S ) /\ ( z e. S /\ w e. S ) ) -> ( W e. S /\ X e. S ) )
ecovdi.9	|- ( ( ( x e. S /\ y e. S ) /\ ( v e. S /\ u e. S ) ) -> ( Y e. S /\ Z e. S ) )
ecovdi.10	|- H = K
ecovdi.11	|- J = L

Assertion

Ref	Expression
ecovdi	|- ( ( A e. D /\ B e. D /\ C e. D ) -> ( A .x. ( B .+ C ) ) = ( ( A .x. B ) .+ ( A .x. C ) ) )

Distinct variable groups:   x, y, z, w, v, u, A   z, B, w, v, u   w, C, v, u   x, .+ , y, z, w, v, u   x, .~ , y, z, w, v, u   x, S, y, z, w, v, u   x, .x. , y, z, w, v, u   z, D, w, v, u

Allowed substitution hints:   B( x, y)   C( x, y, z)   D( x, y)   H( x, y, z, w, v, u)   J( x, y, z, w, v, u)   K( x, y, z, w, v, u)   L( x, y, z, w, v, u)   M( x, y, z, w, v, u)   N( x, y, z, w, v, u)   W( x, y, z, w, v, u)   X( x, y, z, w, v, u)   Y( x, y, z, w, v, u)   Z( x, y, z, w, v, u)

Proof of Theorem ecovdi

Step	Hyp	Ref	Expression
1		ecovdi.1	. 2 |- D = ( ( S X. S ) /. .~ )
2		oveq1 5876	. . 3 |- ( [ <. x , y >. ] .~ = A -> ( [ <. x , y >. ] .~ .x. ( [ <. z , w >. ] .~ .+ [ <. v , u >. ] .~ ) ) = ( A .x. ( [ <. z , w >. ] .~ .+ [ <. v , u >. ] .~ ) ) )
3		oveq1 5876	. . . 4 |- ( [ <. x , y >. ] .~ = A -> ( [ <. x , y >. ] .~ .x. [ <. z , w >. ] .~ ) = ( A .x. [ <. z , w >. ] .~ ) )
4		oveq1 5876	. . . 4 |- ( [ <. x , y >. ] .~ = A -> ( [ <. x , y >. ] .~ .x. [ <. v , u >. ] .~ ) = ( A .x. [ <. v , u >. ] .~ ) )
5	3, 4	oveq12d 5887	. . 3 |- ( [ <. x , y >. ] .~ = A -> ( ( [ <. x , y >. ] .~ .x. [ <. z , w >. ] .~ ) .+ ( [ <. x , y >. ] .~ .x. [ <. v , u >. ] .~ ) ) = ( ( A .x. [ <. z , w >. ] .~ ) .+ ( A .x. [ <. v , u >. ] .~ ) ) )
6	2, 5	eqeq12d 2192	. 2 |- ( [ <. x , y >. ] .~ = A -> ( ( [ <. x , y >. ] .~ .x. ( [ <. z , w >. ] .~ .+ [ <. v , u >. ] .~ ) ) = ( ( [ <. x , y >. ] .~ .x. [ <. z , w >. ] .~ ) .+ ( [ <. x , y >. ] .~ .x. [ <. v , u >. ] .~ ) ) <-> ( A .x. ( [ <. z , w >. ] .~ .+ [ <. v , u >. ] .~ ) ) = ( ( A .x. [ <. z , w >. ] .~ ) .+ ( A .x. [ <. v , u >. ] .~ ) ) ) )
7		oveq1 5876	. . . 4 |- ( [ <. z , w >. ] .~ = B -> ( [ <. z , w >. ] .~ .+ [ <. v , u >. ] .~ ) = ( B .+ [ <. v , u >. ] .~ ) )
8	7	oveq2d 5885	. . 3 |- ( [ <. z , w >. ] .~ = B -> ( A .x. ( [ <. z , w >. ] .~ .+ [ <. v , u >. ] .~ ) ) = ( A .x. ( B .+ [ <. v , u >. ] .~ ) ) )
9		oveq2 5877	. . . 4 |- ( [ <. z , w >. ] .~ = B -> ( A .x. [ <. z , w >. ] .~ ) = ( A .x. B ) )
10	9	oveq1d 5884	. . 3 |- ( [ <. z , w >. ] .~ = B -> ( ( A .x. [ <. z , w >. ] .~ ) .+ ( A .x. [ <. v , u >. ] .~ ) ) = ( ( A .x. B ) .+ ( A .x. [ <. v , u >. ] .~ ) ) )
11	8, 10	eqeq12d 2192	. 2 |- ( [ <. z , w >. ] .~ = B -> ( ( A .x. ( [ <. z , w >. ] .~ .+ [ <. v , u >. ] .~ ) ) = ( ( A .x. [ <. z , w >. ] .~ ) .+ ( A .x. [ <. v , u >. ] .~ ) ) <-> ( A .x. ( B .+ [ <. v , u >. ] .~ ) ) = ( ( A .x. B ) .+ ( A .x. [ <. v , u >. ] .~ ) ) ) )
12		oveq2 5877	. . . 4 |- ( [ <. v , u >. ] .~ = C -> ( B .+ [ <. v , u >. ] .~ ) = ( B .+ C ) )
13	12	oveq2d 5885	. . 3 |- ( [ <. v , u >. ] .~ = C -> ( A .x. ( B .+ [ <. v , u >. ] .~ ) ) = ( A .x. ( B .+ C ) ) )
14		oveq2 5877	. . . 4 |- ( [ <. v , u >. ] .~ = C -> ( A .x. [ <. v , u >. ] .~ ) = ( A .x. C ) )
15	14	oveq2d 5885	. . 3 |- ( [ <. v , u >. ] .~ = C -> ( ( A .x. B ) .+ ( A .x. [ <. v , u >. ] .~ ) ) = ( ( A .x. B ) .+ ( A .x. C ) ) )
16	13, 15	eqeq12d 2192	. 2 |- ( [ <. v , u >. ] .~ = C -> ( ( A .x. ( B .+ [ <. v , u >. ] .~ ) ) = ( ( A .x. B ) .+ ( A .x. [ <. v , u >. ] .~ ) ) <-> ( A .x. ( B .+ C ) ) = ( ( A .x. B ) .+ ( A .x. C ) ) ) )
17		ecovdi.10	. . . 4 |- H = K
18		ecovdi.11	. . . 4 |- J = L
19		opeq12 3778	. . . . 5 |- ( ( H = K /\ J = L ) -> <. H , J >. = <. K , L >. )
20	19	eceq1d 6565	. . . 4 |- ( ( H = K /\ J = L ) -> [ <. H , J >. ] .~ = [ <. K , L >. ] .~ )
21	17, 18, 20	mp2an 426	. . 3 |- [ <. H , J >. ] .~ = [ <. K , L >. ] .~
22		ecovdi.2	. . . . . . 7 |- ( ( ( z e. S /\ w e. S ) /\ ( v e. S /\ u e. S ) ) -> ( [ <. z , w >. ] .~ .+ [ <. v , u >. ] .~ ) = [ <. M , N >. ] .~ )
23	22	oveq2d 5885	. . . . . 6 |- ( ( ( z e. S /\ w e. S ) /\ ( v e. S /\ u e. S ) ) -> ( [ <. x , y >. ] .~ .x. ( [ <. z , w >. ] .~ .+ [ <. v , u >. ] .~ ) ) = ( [ <. x , y >. ] .~ .x. [ <. M , N >. ] .~ ) )
24	23	adantl 277	. . . . 5 |- ( ( ( x e. S /\ y e. S ) /\ ( ( z e. S /\ w e. S ) /\ ( v e. S /\ u e. S ) ) ) -> ( [ <. x , y >. ] .~ .x. ( [ <. z , w >. ] .~ .+ [ <. v , u >. ] .~ ) ) = ( [ <. x , y >. ] .~ .x. [ <. M , N >. ] .~ ) )
25		ecovdi.7	. . . . . 6 |- ( ( ( z e. S /\ w e. S ) /\ ( v e. S /\ u e. S ) ) -> ( M e. S /\ N e. S ) )
26		ecovdi.3	. . . . . 6 |- ( ( ( x e. S /\ y e. S ) /\ ( M e. S /\ N e. S ) ) -> ( [ <. x , y >. ] .~ .x. [ <. M , N >. ] .~ ) = [ <. H , J >. ] .~ )
27	25, 26	sylan2 286	. . . . 5 |- ( ( ( x e. S /\ y e. S ) /\ ( ( z e. S /\ w e. S ) /\ ( v e. S /\ u e. S ) ) ) -> ( [ <. x , y >. ] .~ .x. [ <. M , N >. ] .~ ) = [ <. H , J >. ] .~ )
28	24, 27	eqtrd 2210	. . . 4 |- ( ( ( x e. S /\ y e. S ) /\ ( ( z e. S /\ w e. S ) /\ ( v e. S /\ u e. S ) ) ) -> ( [ <. x , y >. ] .~ .x. ( [ <. z , w >. ] .~ .+ [ <. v , u >. ] .~ ) ) = [ <. H , J >. ] .~ )
29	28	3impb 1199	. . 3 |- ( ( ( x e. S /\ y e. S ) /\ ( z e. S /\ w e. S ) /\ ( v e. S /\ u e. S ) ) -> ( [ <. x , y >. ] .~ .x. ( [ <. z , w >. ] .~ .+ [ <. v , u >. ] .~ ) ) = [ <. H , J >. ] .~ )
30		ecovdi.4	. . . . . 6 |- ( ( ( x e. S /\ y e. S ) /\ ( z e. S /\ w e. S ) ) -> ( [ <. x , y >. ] .~ .x. [ <. z , w >. ] .~ ) = [ <. W , X >. ] .~ )
31		ecovdi.5	. . . . . 6 |- ( ( ( x e. S /\ y e. S ) /\ ( v e. S /\ u e. S ) ) -> ( [ <. x , y >. ] .~ .x. [ <. v , u >. ] .~ ) = [ <. Y , Z >. ] .~ )
32	30, 31	oveqan12d 5888	. . . . 5 |- ( ( ( ( x e. S /\ y e. S ) /\ ( z e. S /\ w e. S ) ) /\ ( ( x e. S /\ y e. S ) /\ ( v e. S /\ u e. S ) ) ) -> ( ( [ <. x , y >. ] .~ .x. [ <. z , w >. ] .~ ) .+ ( [ <. x , y >. ] .~ .x. [ <. v , u >. ] .~ ) ) = ( [ <. W , X >. ] .~ .+ [ <. Y , Z >. ] .~ ) )
33		ecovdi.8	. . . . . 6 |- ( ( ( x e. S /\ y e. S ) /\ ( z e. S /\ w e. S ) ) -> ( W e. S /\ X e. S ) )
34		ecovdi.9	. . . . . 6 |- ( ( ( x e. S /\ y e. S ) /\ ( v e. S /\ u e. S ) ) -> ( Y e. S /\ Z e. S ) )
35		ecovdi.6	. . . . . 6 |- ( ( ( W e. S /\ X e. S ) /\ ( Y e. S /\ Z e. S ) ) -> ( [ <. W , X >. ] .~ .+ [ <. Y , Z >. ] .~ ) = [ <. K , L >. ] .~ )
36	33, 34, 35	syl2an 289	. . . . 5 |- ( ( ( ( x e. S /\ y e. S ) /\ ( z e. S /\ w e. S ) ) /\ ( ( x e. S /\ y e. S ) /\ ( v e. S /\ u e. S ) ) ) -> ( [ <. W , X >. ] .~ .+ [ <. Y , Z >. ] .~ ) = [ <. K , L >. ] .~ )
37	32, 36	eqtrd 2210	. . . 4 |- ( ( ( ( x e. S /\ y e. S ) /\ ( z e. S /\ w e. S ) ) /\ ( ( x e. S /\ y e. S ) /\ ( v e. S /\ u e. S ) ) ) -> ( ( [ <. x , y >. ] .~ .x. [ <. z , w >. ] .~ ) .+ ( [ <. x , y >. ] .~ .x. [ <. v , u >. ] .~ ) ) = [ <. K , L >. ] .~ )
38	37	3impdi 1293	. . 3 |- ( ( ( x e. S /\ y e. S ) /\ ( z e. S /\ w e. S ) /\ ( v e. S /\ u e. S ) ) -> ( ( [ <. x , y >. ] .~ .x. [ <. z , w >. ] .~ ) .+ ( [ <. x , y >. ] .~ .x. [ <. v , u >. ] .~ ) ) = [ <. K , L >. ] .~ )
39	21, 29, 38	3eqtr4a 2236	. 2 |- ( ( ( x e. S /\ y e. S ) /\ ( z e. S /\ w e. S ) /\ ( v e. S /\ u e. S ) ) -> ( [ <. x , y >. ] .~ .x. ( [ <. z , w >. ] .~ .+ [ <. v , u >. ] .~ ) ) = ( ( [ <. x , y >. ] .~ .x. [ <. z , w >. ] .~ ) .+ ( [ <. x , y >. ] .~ .x. [ <. v , u >. ] .~ ) ) )
40	1, 6, 11, 16, 39	3ecoptocl 6618	1 |- ( ( A e. D /\ B e. D /\ C e. D ) -> ( A .x. ( B .+ C ) ) = ( ( A .x. B ) .+ ( A .x. C ) ) )

Syntax hints:   -> wi 4   /\ wa 104   /\ w3a 978   = wceq 1353   e. wcel 2148   <.cop 3594   X. cxp 4621  (class class class)co 5869   [cec 6527   /.cqs 6528

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-io 709  ax-5 1447  ax-7 1448  ax-gen 1449  ax-ie1 1493  ax-ie2 1494  ax-8 1504  ax-10 1505  ax-11 1506  ax-i12 1507  ax-bndl 1509  ax-4 1510  ax-17 1526  ax-i9 1530  ax-ial 1534  ax-i5r 1535  ax-14 2151  ax-ext 2159  ax-sep 4118  ax-pow 4171  ax-pr 4206

This theorem depends on definitions:  df-bi 117  df-3an 980  df-tru 1356  df-nf 1461  df-sb 1763  df-clab 2164  df-cleq 2170  df-clel 2173  df-nfc 2308  df-ral 2460  df-rex 2461  df-v 2739  df-un 3133  df-in 3135  df-ss 3142  df-pw 3576  df-sn 3597  df-pr 3598  df-op 3600  df-uni 3808  df-br 4001  df-opab 4062  df-xp 4629  df-cnv 4631  df-dm 4633  df-rn 4634  df-res 4635  df-ima 4636  df-iota 5174  df-fv 5220  df-ov 5872  df-ec 6531  df-qs 6535

This theorem is referenced by: (None)